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candice1 Group Title

simplify the sum. 1.(8u^3+6u^2+8)+(3u^3-6u+8) simplify the defference. 1. (7w^2-7w-3)-(2w^2+5-2) 2. (8w^2-6w-7)-(3w^2+3w-4) find the GCF of the terms of the polynomial. 1.18x^3+24x^2 CAND SOMEBODY HELP ME PLAESE.!!!!!??//??/

  • 2 years ago
  • 2 years ago

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  1. eSpeX Group Title
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    What is it you do not understand? For the first three problems you need only combine like terms and for the last one you find the greatest value they have in common.

    • 2 years ago
  2. candice1 Group Title
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    imm doin work i have never seen until yesterday lol.

    • 2 years ago
  3. eSpeX Group Title
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    I'm sure you understand what "like terms" are, so looking at the problems one at a time, combine all of the like terms, once that is accomplished it will be in its simplified form.

    • 2 years ago
  4. candice1 Group Title
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    thats it???? okay thanks:)

    • 2 years ago
  5. eSpeX Group Title
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    :) You're welcome.

    • 2 years ago
  6. estudier Group Title
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    For the GCF, you want the expression that divides both (which is "in" both). You can do it in bits, GCF of 18 and 24? (The biggest number that divides both)

    • 2 years ago
  7. candice1 Group Title
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    thanks.

    • 2 years ago
  8. estudier Group Title
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    Come on, tell me what you get...

    • 2 years ago
  9. candice1 Group Title
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    24???????????????:(

    • 2 years ago
  10. eSpeX Group Title
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    What if you think of it like this: 18x^3 = 2*3*3 x*x*x

    • 2 years ago
  11. candice1 Group Title
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    immm sorrry! imm very dumb in math.

    • 2 years ago
  12. estudier Group Title
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    Well, you can't divide 24 into 18 (you can but the answer wont be an integer). A systematic way to find the GCF is to factor the numbers like this 24/2 = 12, 12/2 = 6, 6/2 = 3 so 24 = 2*2*2*3

    • 2 years ago
  13. estudier Group Title
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    Ah, EspeX says the same....

    • 2 years ago
  14. eSpeX Group Title
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    @estudier has this well in hand. :)

    • 2 years ago
  15. estudier Group Title
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    eSpeX

    • 2 years ago
  16. estudier Group Title
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    So 24 = 2*2*2*3 and 18 = 2*3*3 To get the GCF you want to "take out" the bits that are in both. Can you see how?

    • 2 years ago
  17. candice1 Group Title
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    okay i see what you are saying now.

    • 2 years ago
  18. estudier Group Title
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    So for instance there are two 3's in 18 but only one in 24 so you can take out one of them.

    • 2 years ago
  19. candice1 Group Title
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    okay.

    • 2 years ago
  20. estudier Group Title
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    What about the 2's?

    • 2 years ago
  21. estudier Group Title
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    r u still there?

    • 2 years ago
  22. estudier Group Title
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    I guess not.

    • 2 years ago
  23. candice1 Group Title
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    is the answer to the problem 6?

    • 2 years ago
  24. candice1 Group Title
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    lol imm still here i just had to run to the restroom.

    • 2 years ago
  25. estudier Group Title
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    That's the correct answer to the GCF of 24 and 18. Now the next bit, we sort of do it the same. What's the bit of x^3 and x^2 that is "in" both?

    • 2 years ago
  26. estudier Group Title
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    remember x^3 is x*x*x and x^2 = x*x

    • 2 years ago
  27. candice1 Group Title
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    are you giving me another math problem to work? lol

    • 2 years ago
  28. estudier Group Title
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    It's just the same only with x's instead of 2's or 3's We are still on your original GCF question.

    • 2 years ago
  29. candice1 Group Title
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    id get it?? write it out for me

    • 2 years ago
  30. estudier Group Title
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    Write what ?

    • 2 years ago
  31. candice1 Group Title
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    what you are saying

    • 2 years ago
  32. estudier Group Title
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    I thought that's what I was doing....?

    • 2 years ago
  33. candice1 Group Title
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    lol seee im totally confused

    • 2 years ago
  34. estudier Group Title
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    I think you need to do a bit of studying. Try here http://www.purplemath.com/modules/lcm_gcf.htm Thing is, math builds up in layers, if you don't get a layer, you will just have trouble later on.

    • 2 years ago
  35. candice1 Group Title
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    true true true. thanks soo much for your help.:)

    • 2 years ago
  36. estudier Group Title
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    You can try to keep posting your questions to see if someone will just give you the answer but most people will resist answering questions like the first three.

    • 2 years ago
  37. estudier Group Title
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    Anyway, good luck.

    • 2 years ago
  38. candice1 Group Title
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    thanks.

    • 2 years ago
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